1.
625 – 503 =
3
4
122
2
|
2.
573 – 154 =
2
419
3
4
|
3.
470 + 44 =
2
4
3
514
|
4.
816 – 800 =
16
3
4
2
|
5.
550 + 112 =
3
2
662
4
|
6.
849 + 64 =
2
913
3
4
|
7.
636 – 560 =
2
3
4
76
|
8.
240 – 117 =
3
123
4
2
|
9.
29 – 7 =
2
4
3
22
|
10.
92 – 46 =
4
2
46
3
|
11.
164 + 152 =
316
2
4
3
|
12.
905 + 70 =
3
4
975
2
|
13.
838 + 83 =
921
4
2
3
|
14.
835 + 85 =
3
4
2
920
|
15.
19 + 193 =
212
3
4
2
|
16.
97 – 75 =
22
2
4
3
|
17.
487 + 299 =
2
3
4
786
|
18.
230 – 62 =
2
4
168
3
|
19.
711 – 396 =
315
3
4
2
|
20.
399 + 546 =
3
945
4
2
|
1.
625 – 503 =
3
4
122
2
|
2.
573 – 154 =
2
419
3
4
|
3.
470 + 44 =
2
4
3
514
|
4.
816 – 800 =
16
3
4
2
|
5.
550 + 112 =
3
2
662
4
|
6.
849 + 64 =
2
913
3
4
|
7.
636 – 560 =
2
3
4
76
|
8.
240 – 117 =
3
123
4
2
|
9.
29 – 7 =
2
4
3
22
|
10.
92 – 46 =
4
2
46
3
|
11.
164 + 152 =
316
2
4
3
|
12.
905 + 70 =
3
4
975
2
|
13.
838 + 83 =
921
4
2
3
|
14.
835 + 85 =
3
4
2
920
|
15.
19 + 193 =
212
3
4
2
|
16.
97 – 75 =
22
2
4
3
|
17.
487 + 299 =
2
3
4
786
|
18.
230 – 62 =
2
4
168
3
|
19.
711 – 396 =
315
3
4
2
|
20.
399 + 546 =
3
945
4
2
|